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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.0251
         SUSE-SU-2020:0183-1 Security update for the Linux Kernel
                       (Live Patch 0 for SLE 12 SP5)
                              24 January 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           linux kernel
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Execute Arbitrary Code/Commands -- Console/Physical
                   Increased Privileges            -- Console/Physical
                   Denial of Service               -- Console/Physical
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-17133 CVE-2019-14897 CVE-2019-14896
                   CVE-2019-14835 CVE-2019-10220 

Reference:         ESB-2020.0237
                   ESB-2020.0200
                   ESB-2020.0141
                   ESB-2020.0052.2

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2020/suse-su-20200183-1.html

Comment: This advisory references vulnerabilities in the Linux kernel that 
         also affect distributions other than SUSE. It is recommended that 
         administrators running Linux check for an updated version of the 
         kernel for their system.

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SUSE Security Update: Security update for the Linux Kernel (Live 

______________________________________________________________________________

Announcement ID:   SUSE-SU-2020:0183-1
Rating:            important
References:        #1103203 #1149841 #1151021 #1153108 #1153161 #1157770
                   #1160467 #1160468
Cross-References:  CVE-2019-10220 CVE-2019-14835 CVE-2019-14896 CVE-2019-14897
                   CVE-2019-17133
Affected Products:
                   SUSE Linux Enterprise Live Patching 12-SP5
______________________________________________________________________________

Patch 0 for SLE 12 SP5)

An update that solves 5 vulnerabilities and has three fixes is now available.

Description:

This update for the Linux Kernel 4.12.14-120 fixes several issues.
The following security issues were fixed:

  o CVE-2019-14896: A heap-based buffer overflow vulnerability was found in the
    Marvell WiFi chip driver. A remote attacker could cause a denial of service
    (system crash) or, possibly execute arbitrary code, when the
    lbs_ibss_join_existing function is called after a STA connects to an AP
    (bsc#1157157).
  o CVE-2019-14897: A stack-based buffer overflow was found in the Marvell WiFi
    chip driver. An attacker was able to cause a denial of service (system
    crash) or, possibly execute arbitrary code, when a STA works in IBSS mode
    (allows connecting stations together without the use of an AP) and connects
    to another STA (bsc#1157155).
  o CVE-2019-10220: The CIFS implementation was vulnerable to a relative paths
    injection in directory entry lists (bsc#1144903).
  o CVE-2019-17133: Fixed a Buffer Overflow in cfg80211_mgd_wext_giwessid() in
    net/wireless/wext-sme.c, because the function did not reject a long SSID IE
    (bsc#1153158).
  o CVE-2019-14835: A buffer overflow flaw was fixed in the vhost functionality
    that translates virtqueue buffers to IOVs, logged the buffer descriptors
    during migration. A privileged guest user able to pass descriptors with
    invalid length to the host when migration is underway, could use this flaw
    to increase their privileges on the host (bsc#1150112).
  o xen/pv: Fixed a boot up hang where domain_crash_sync was called from
    entry.S (bsc#1153811).

Patch Instructions:

To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  o SUSE Linux Enterprise Live Patching 12-SP5:
    zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2020-183=1

Package List:

  o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le x86_64):
       kgraft-patch-4_12_14-120-default-2-3.1
       kgraft-patch-4_12_14-120-default-debuginfo-2-3.1
       kgraft-patch-SLE12-SP5_Update_0-debugsource-2-3.1


References:

  o https://www.suse.com/security/cve/CVE-2019-10220.html
  o https://www.suse.com/security/cve/CVE-2019-14835.html
  o https://www.suse.com/security/cve/CVE-2019-14896.html
  o https://www.suse.com/security/cve/CVE-2019-14897.html
  o https://www.suse.com/security/cve/CVE-2019-17133.html
  o https://bugzilla.suse.com/1103203
  o https://bugzilla.suse.com/1149841
  o https://bugzilla.suse.com/1151021
  o https://bugzilla.suse.com/1153108
  o https://bugzilla.suse.com/1153161
  o https://bugzilla.suse.com/1157770
  o https://bugzilla.suse.com/1160467
  o https://bugzilla.suse.com/1160468

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